Theos Casimir Bernard (December 10, 1908 - unknown, disappeared in September 1947) was an American scholar, lecturer, and explorer, noted as a practitioner of Yoga and Tibetan Buddhism, the study of which he instituted at Columbia University.

Selected Bibliography

Bernard, Theos (1936), Introduction to Tantrik Ritual

Bernard, Theos (1939), Heaven Lies Within Us

Bernard, Theos (1939), Penthouse of the Gods: A Pilgrimage into the Heart of Tibet and the Sacred City of Lhasa — a.k.a. "Land of a Thousand Buddhas"